MASTER PROMPT: THE FINAL PHOTO Create an exactly 30-second ultra-realistic Korean live-action myste

MASTER PROMPT: THE FINAL PHOTO Create an exactly 30-second ultra-realistic Korean live-action mystery thriller inspired by premium Korean cinema. Vertical 9:16, 4K UHD, 24 FPS, authentic Korean locations, realistic human anatomy, natural performances, cinematic lighting, believable practical environments, and professional sound design. SCENE 1 — INSTANT MYSTERY (0–6 SECONDS) A young Korean woman working alone in an old Seoul photography studio develops a photograph in a dim red-lit darkroom. As the image slowly appears in the chemical tray, she suddenly freezes. The photograph shows a man standing behind her, wearing the exact same clothes she is wearing now. She immediately looks over her shoulder. The room is empty. SCENE 2 — THE INVESTIGATION (6–13 SECONDS) She switches on the overhead light and examines the photograph closely. The man's face is partially hidden by shadow. She grabs her digital camera, takes a photograph of the empty darkroom, and checks the screen. Nothing unusual appears. She exhales in relief, convinced it was a mistake. SCENE 3 — THE SECOND IMAGE (13–22 SECONDS) She returns to the developing tray. A second photograph begins to emerge beside the first. This time, the mysterious man is standing much closer to her. His face is now clearly visible. She recognizes him as her older brother, who disappeared many years ago. Her eyes fill with tears as she touches the photograph. SCENE 4 — THE FINAL REVEAL (22–30 SECONDS) A phone suddenly vibrates on the desk. She looks down at a new message from an unknown number containing a photograph of the studio taken from outside its window. In the image, her missing brother is standing on the street, looking directly at her. She rushes to the window and pulls back the curtain. The street is empty. Her phone vibrates once more. The new message reads: "Don't turn around." Her expression changes to pure terror. Cut instantly to black. CAMERA DIRECTION: Begin with a macro shot of photographic chemicals, transition into intimate facial close-ups, use slow dolly movements, realistic focus changes, and controlled handheld movement during the final reveal. LIGHTING: Practical red darkroom lighting, realistic skin tones, deep shadows, muted Korean thriller color grading, and believable reflections on glass. SOUND DESIGN: Chemical tray movement, dripping water, camera shutter, phone vibration, quiet breathing, distant Seoul traffic, and a sudden silence before the final cut. STRICT REQUIREMENTS: Photorealistic live action, consistent character identity, realistic photographic processes, believable human movement, no visible supernatural effects, no distorted faces, no random scene changes, no subtitles, no logos, no watermark, and exactly 30 seconds. Make the suspense emerge from the story, not excessive visual effects.